ngoctron 0 Newbie Poster

hi,:p
I am trying to write a small software with C++. I just want to make calls from my computer via a telephone line. I can make the harware which can be connected to the computer. But I don't know how to controll soundcard in C++( Input signal (include microphone), filtering and processing signal ,and Output) . So I trying to find a help...and I found you!
I hope people could help me to find necessary codes and instructions......I really thank to your help.( I've just started to learn C++ and My EngLish is bad-I am VietNamese).:sad:

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